内生格雷林水平和饥饿感知:系统性审查和元分析
Kara C Anderson1, Faten Hasan1, Emily E Grammer1
1Department of Kinesiology, School of Education and Human Development, University of Virginia, Charlottesville, VA, United States.
Advances in nutrition (Bethesda, Md.)
|August 3, 2023
概括
格林,一种饥饿激素,与食欲感知有关. 乙烯酸格林 (AG) 显著加强了这种联系,这表明它在不同人群的饥饿信号中起着重要作用.
科学领域:
- 内分泌学 在内分泌学.
- 人体生理学 人体生理学
- 营养科学 营养科学
背景情况:
- 格林是一种氧化激素,有两种异型:乙化格林 (AG) 和去乙化格林 (DAG).
- 这些异构体可能在人类食欲调节方面具有不同的功能.
研究的目的:
- 在健康成年人中系统地审查和元分析血格林度 (总,AG和DAG) 与饥饿感知之间的关联.
- 为了确定影响 ghrelin-hunger 关系的调节者.
主要方法:
- 47项研究 (1799名参与者) 的系统综述和元分析.
- 纳入标准侧重于健康的成年人,血激素采样,验证的饥饿量表,并排除食欲修改干预措施.
- 评估的调节者包括年龄,BMI,体脂百分比,食成分,能量摄入量,性别和格林异型.
主要成果:
- 格林度与饥饿感知有适度的相关性 (r = 0.43,P < 0.001).
- 格雷林异型显著缓解了这种关联:AG (r = 0.60,P < 0.001),TG (r = 0.215,P = 0.01) 和DAG (r = 0.53,P = 0.695).
- 年龄,BMI,体脂百分比,能量摄入量和食中的碳水化合物含量也是重要的调节因素.
结论:
- 格林与人类的饥饿感知有关,其中酸格林 (AG) 扮演着可能更大的角色.
- 需要进一步的研究来阐明脱化 ghrelin (DAG) 在饥饿感觉中的特定作用.
相关概念视频
Regulation of Food Intake
281
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
281
Hormonal Regulation
43.7K
Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
43.7K
Hypoglycemia and Glucagon
301
Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
301
Assessment of the Gastrointestinal System II: Health Perception Pattern
141
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
141
Glucagon-like Receptor Agonists
358
Incretins include glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP), which stimulate insulin secretion post-meals. In type 2 diabetes, GIP's efficacy is reduced, making GLP-1 a viable drug target. GIP originates from preproGIP.
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by...
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by...
358
Gastric Emptying
937
Gastric emptying occurs when the stomach gradually releases chyme into the duodenum. When the stomach is distended, it triggers the release of gastrin, a hormone that promotes gastric acid secretion to aid in digestion. Additionally, stomach distension contributes to peristaltic waves that propel gastric contents toward the pyloric region. The gastroenteric reflex, on the other hand, primarily stimulates peristalsis in the intestines, facilitating the movement of contents further along the...
937


